4 World Trade Center

Government and business leaders including New York City Mayor Michael Bloomberg (C), World Trade Center Developer Larry A. Silverstein (5th R), Manhattan Borough President Scott Stringer (4th R) and Japanese architect Fumihiko Maki (R), who designed the building, cut a ribbon to open 4 World Trade Center on Nov. 13 in New York.

Government and business leaders including New York City Mayor Michael Bloomberg (C), World Trade Center Developer Larry A. Silverstein (5th R), Manhattan Borough President Scott Stringer (4th R) and Japanese architect Fumihiko Maki (R), who designed the building, cut a ribbon to open 4 World Trade Center on Nov. 13 in New York. (Stan Honda/AFP/Getty Images)

Government and business leaders including New York City Mayor Michael Bloomberg (C), World Trade Center Developer Larry A. Silverstein (5th R), Manhattan Borough President Scott Stringer (4th R) and Japanese architect Fumihiko Maki (R), who designed the building, cut a ribbon to open 4 World Trade Center on Nov. 13 in New York.Stan Honda/AFP/Getty Images